text: /*************************************************************************/
  /*  project_manager.h                                                    */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #ifndef PROJECT_MANAGER_H
  #define PROJECT_MANAGER_H
  
  #include "editor/editor_about.h"
  #include "editor/plugins/asset_library_editor_plugin.h"
  #include "scene/gui/dialogs.h"
  #include "scene/gui/file_dialog.h"
  #include "scene/gui/scroll_container.h"
  #include "scene/gui/tool_button.h"
  #include "scene/gui/tree.h"
  
  class ProjectDialog;
  class ProjectList;
  class ProjectListFilter;
  
  class ProjectManager : public Control {
  	GDCLASS(ProjectManager, Control);
  
  	Button *erase_btn;
  	Button *erase_missing_btn;
  	Button *open_btn;
  	Button *rename_btn;
  	Button *run_btn;
  	Button *about_btn;
  
  	EditorAssetLibrary *asset_library;
  
  	ProjectListFilter *project_filter;
  	ProjectListFilter *project_order_filter;
  	Label *loading_label;
  
  	FileDialog *scan_dir;
  	ConfirmationDialog *language_restart_ask;
  
  	ConfirmationDialog *erase_ask;
  	Label *erase_ask_label;
  	CheckBox *delete_project_contents;
  
  	ConfirmationDialog *erase_missing_ask;
  	ConfirmationDialog *multi_open_ask;
  	ConfirmationDialog *multi_run_ask;
  	ConfirmationDialog *multi_scan_ask;
  	ConfirmationDialog *ask_update_settings;
  	ConfirmationDialog *open_templates;
  	EditorAbout *about;
  	AcceptDialog *run_error_diag;
  	AcceptDialog *dialog_error;
  	ProjectDialog *npdialog;
  
  	HBoxContainer *projects_hb;
  	TabContainer *tabs;
  	ProjectList *_project_list;
  
  	LinkButton *version_btn;
  	OptionButton *language_btn;
  	Control *gui_base;
  
  	bool importing;
  
  	void _open_asset_library();
  	void _scan_projects();
  	void _run_project();
  	void _run_project_confirm();
  	void _open_selected_projects();
  	void _open_selected_projects_ask();
  	void _import_project();
  	void _new_project();
  	void _rename_project();
  	void _erase_project();
  	void _erase_missing_projects();
  	void _erase_project_confirm();
  	void _erase_missing_projects_confirm();
  	void _show_about();
  	void _update_project_buttons();
  	void _language_selected(int p_id);
  	void _restart_confirm();
  	void _exit_dialog();
  	void _scan_begin(const String &p_base);
  	void _global_menu_action(const Variant &p_id, const Variant &p_meta);
  
  	void _confirm_update_settings();
  
  	void _load_recent_projects();
  	void _on_project_created(const String &dir);
  	void _on_projects_updated();
  	void _update_scroll_position(const String &dir);
  	void _scan_dir(const String &path, List<String> *r_projects);
  
  	void _install_project(const String &p_zip_path, const String &p_title);
  
  	void _dim_window();
  	void _unhandled_input(const Ref<InputEvent> &p_ev);
  	void _files_dropped(PoolStringArray p_files, int p_screen);
  	void _scan_multiple_folders(PoolStringArray p_files);
  
  	void _version_button_pressed();
  	void _on_order_option_changed();
  	void _on_filter_option_changed();
  	void _on_tab_changed(int p_tab);
  
  protected:
  	void _notification(int p_what);
  	static void _bind_methods();
  
  public:
  	ProjectManager();
  	~ProjectManager();
  };
  
  class ProjectListFilter : public HBoxContainer {
  	GDCLASS(ProjectListFilter, HBoxContainer);
  
  public:
  	enum FilterOption {
  		FILTER_NAME,
  		FILTER_PATH,
  		FILTER_MODIFIED,
  	};
  
  private:
  	friend class ProjectManager;
  
  	OptionButton *filter_option;
  	LineEdit *search_box;
  	bool has_search_box;
  	FilterOption _current_filter;
  
  	void _search_text_changed(const String &p_newtext);
  	void _filter_option_selected(int p_idx);
  
  protected:
  	void _notification(int p_what);
  	static void _bind_methods();
  
  public:
  	void _setup_filters(Vector<String> options);
  	void add_filter_option();
  
  	void add_search_box();
  	// May return `nullptr` if the search box wasn't created yet, so check for validity
  	// before using the returned value.
  	LineEdit *get_search_box() const;
  
  	void set_filter_size(int h_size);
  	String get_search_term();
  	FilterOption get_filter_option();
  	void set_filter_option(FilterOption);
  	ProjectListFilter();
  	void clear();
  };
  
  #endif // PROJECT_MANAGER_H
  